Book Image

Learn React with TypeScript - Second Edition

By : Carl Rippon
4.4 (8)
Book Image

Learn React with TypeScript - Second Edition

4.4 (8)
By: Carl Rippon

Overview of this book

Reading, navigating, and debugging a large frontend codebase is a major issue faced by frontend developers. This book is designed to help web developers like you learn about ReactJS and TypeScript, both of which power large-scale apps for many organizations. This second edition of Learn React with TypeScript is updated, enhanced, and improved to cover new features of React 18 including hooks, state management libraries, and features of TypeScript 4. The book will enable you to create well-structured and reusable React components that are easy to read and maintain, leveraging modern design patterns. You’ll be able to ensure that all your components are type-safe, making the most of TypeScript features, including some advanced types. You’ll also learn how to manage complex states using Redux and how to interact with a GraphQL web API. Finally, you’ll discover how to write robust unit tests for React components using Jest. By the end of the book, you’ll be well-equipped to use both React and TypeScript.
Table of Contents (19 chapters)
1
Part 1: Introduction
6
Part 2: App Fundamentals
10
Part 3: Data
14
Part 4: Advanced React

Using render props

In this section, we will learn about the render props pattern and use it to allow the consumer of the component to render items within the checklist component.

Understanding the render props pattern

A way of making a component highly reusable is to allow the consumer to render internal elements within it. The children prop on a button element is an example of this because it allows us to specify any button content we like:

<button>We can specify any content here</button>

The render props pattern allows us to use a prop other than children to provide this capability. This is useful when the children prop is already used for something else, as in the following example:

<Modal heading={<h3>Enter Details</h3>}>
  Some content
</Modal>

Here, heading is a render prop in a Modal component.

Render props are useful when allowing the consumer to render elements associated with the data passed into the component...